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{y=x−75x+2y=7 Use the substitution method. (0, −7) (3, −4) (7, 0) (−1, −8)
asked
Aug 24, 2018
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{y=x−75x+2y=7
Use the substitution method.
(0, −7)
(3, −4)
(7, 0)
(−1, −8)
Mathematics
high-school
Isac
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Isac
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A) y=x−7
B)
5
x+2y=7
A) x = y + 7
Substituting this into B)
y + 7 +2y = 7
3y = 0
y = 0
x = 7
Answer is C (7,0)
Pablo Estrada
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Aug 30, 2018
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Pablo Estrada
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